Refactored not to expose raw pointers on ProxyList class.
[chromium-blink-merge.git] / ash / root_window_controller.cc
blob97fd09eb2f5c33d7a34f3412c8e660c6c5900274
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "ash/root_window_controller.h"
7 #include <queue>
8 #include <vector>
10 #include "ash/ash_constants.h"
11 #include "ash/ash_switches.h"
12 #include "ash/desktop_background/desktop_background_controller.h"
13 #include "ash/desktop_background/desktop_background_widget_controller.h"
14 #include "ash/desktop_background/user_wallpaper_delegate.h"
15 #include "ash/display/display_manager.h"
16 #include "ash/focus_cycler.h"
17 #include "ash/high_contrast/high_contrast_controller.h"
18 #include "ash/host/ash_window_tree_host.h"
19 #include "ash/root_window_settings.h"
20 #include "ash/session/session_state_delegate.h"
21 #include "ash/shelf/shelf_layout_manager.h"
22 #include "ash/shelf/shelf_types.h"
23 #include "ash/shelf/shelf_widget.h"
24 #include "ash/shell.h"
25 #include "ash/shell_delegate.h"
26 #include "ash/shell_factory.h"
27 #include "ash/shell_window_ids.h"
28 #include "ash/switchable_windows.h"
29 #include "ash/system/status_area_widget.h"
30 #include "ash/system/tray/system_tray_delegate.h"
31 #include "ash/system/tray/system_tray_notifier.h"
32 #include "ash/touch/touch_hud_debug.h"
33 #include "ash/touch/touch_hud_projection.h"
34 #include "ash/touch/touch_observer_hud.h"
35 #include "ash/wm/always_on_top_controller.h"
36 #include "ash/wm/dock/docked_window_layout_manager.h"
37 #include "ash/wm/lock_layout_manager.h"
38 #include "ash/wm/panels/attached_panel_window_targeter.h"
39 #include "ash/wm/panels/panel_layout_manager.h"
40 #include "ash/wm/panels/panel_window_event_handler.h"
41 #include "ash/wm/root_window_layout_manager.h"
42 #include "ash/wm/screen_dimmer.h"
43 #include "ash/wm/stacking_controller.h"
44 #include "ash/wm/status_area_layout_manager.h"
45 #include "ash/wm/system_background_controller.h"
46 #include "ash/wm/system_modal_container_layout_manager.h"
47 #include "ash/wm/window_properties.h"
48 #include "ash/wm/window_state.h"
49 #include "ash/wm/window_util.h"
50 #include "ash/wm/workspace/workspace_layout_manager.h"
51 #include "ash/wm/workspace_controller.h"
52 #include "base/command_line.h"
53 #include "base/time/time.h"
54 #include "ui/aura/client/aura_constants.h"
55 #include "ui/aura/client/screen_position_client.h"
56 #include "ui/aura/window.h"
57 #include "ui/aura/window_delegate.h"
58 #include "ui/aura/window_event_dispatcher.h"
59 #include "ui/aura/window_observer.h"
60 #include "ui/aura/window_tracker.h"
61 #include "ui/base/hit_test.h"
62 #include "ui/base/models/menu_model.h"
63 #include "ui/gfx/display.h"
64 #include "ui/gfx/screen.h"
65 #include "ui/keyboard/keyboard_controller.h"
66 #include "ui/keyboard/keyboard_util.h"
67 #include "ui/views/controls/menu/menu_runner.h"
68 #include "ui/views/view_model.h"
69 #include "ui/views/view_model_utils.h"
70 #include "ui/wm/core/capture_controller.h"
71 #include "ui/wm/core/easy_resize_window_targeter.h"
72 #include "ui/wm/core/visibility_controller.h"
73 #include "ui/wm/core/window_util.h"
74 #include "ui/wm/public/drag_drop_client.h"
75 #include "ui/wm/public/tooltip_client.h"
76 #include "ui/wm/public/window_types.h"
78 #if defined(OS_CHROMEOS)
79 #include "ash/ash_touch_exploration_manager_chromeos.h"
80 #include "ash/wm/boot_splash_screen_chromeos.h"
81 #include "ui/chromeos/touch_exploration_controller.h"
82 #endif
84 namespace ash {
85 namespace {
87 #if defined(OS_CHROMEOS)
88 // Duration for the animation that hides the boot splash screen, in
89 // milliseconds. This should be short enough in relation to
90 // wm/window_animation.cc's brightness/grayscale fade animation that the login
91 // background image animation isn't hidden by the splash screen animation.
92 const int kBootSplashScreenHideDurationMs = 500;
93 #endif
95 // Creates a new window for use as a container.
96 aura::Window* CreateContainer(int window_id,
97 const char* name,
98 aura::Window* parent) {
99 aura::Window* container = new aura::Window(NULL);
100 container->set_id(window_id);
101 container->SetName(name);
102 container->Init(ui::LAYER_NOT_DRAWN);
103 parent->AddChild(container);
104 if (window_id != kShellWindowId_UnparentedControlContainer)
105 container->Show();
106 return container;
109 float ToRelativeValue(int value, int src, int dst) {
110 return static_cast<float>(value) / static_cast<float>(src) * dst;
113 void MoveOriginRelativeToSize(const gfx::Size& src_size,
114 const gfx::Size& dst_size,
115 gfx::Rect* bounds_in_out) {
116 gfx::Point origin = bounds_in_out->origin();
117 bounds_in_out->set_origin(gfx::Point(
118 ToRelativeValue(origin.x(), src_size.width(), dst_size.width()),
119 ToRelativeValue(origin.y(), src_size.height(), dst_size.height())));
122 // Reparents |window| to |new_parent|.
123 void ReparentWindow(aura::Window* window, aura::Window* new_parent) {
124 const gfx::Size src_size = window->parent()->bounds().size();
125 const gfx::Size dst_size = new_parent->bounds().size();
126 // Update the restore bounds to make it relative to the display.
127 wm::WindowState* state = wm::GetWindowState(window);
128 gfx::Rect restore_bounds;
129 bool has_restore_bounds = state->HasRestoreBounds();
131 bool update_bounds = (state->IsNormalOrSnapped() || state->IsMinimized()) &&
132 new_parent->id() != kShellWindowId_DockedContainer;
133 gfx::Rect local_bounds;
134 if (update_bounds) {
135 local_bounds = state->window()->bounds();
136 MoveOriginRelativeToSize(src_size, dst_size, &local_bounds);
139 if (has_restore_bounds) {
140 restore_bounds = state->GetRestoreBoundsInParent();
141 MoveOriginRelativeToSize(src_size, dst_size, &restore_bounds);
144 new_parent->AddChild(window);
146 // Docked windows have bounds handled by the layout manager in AddChild().
147 if (update_bounds)
148 window->SetBounds(local_bounds);
150 if (has_restore_bounds)
151 state->SetRestoreBoundsInParent(restore_bounds);
154 // Reparents the appropriate set of windows from |src| to |dst|.
155 void ReparentAllWindows(aura::Window* src, aura::Window* dst) {
156 // Set of windows to move.
157 const int kContainerIdsToMove[] = {
158 kShellWindowId_DefaultContainer,
159 kShellWindowId_DockedContainer,
160 kShellWindowId_PanelContainer,
161 kShellWindowId_AlwaysOnTopContainer,
162 kShellWindowId_SystemModalContainer,
163 kShellWindowId_LockSystemModalContainer,
164 kShellWindowId_UnparentedControlContainer,
165 kShellWindowId_OverlayContainer,
167 const int kExtraContainerIdsToMoveInUnifiedMode[] = {
168 kShellWindowId_LockScreenContainer,
169 kShellWindowId_LockScreenBackgroundContainer,
171 std::vector<int> container_ids(
172 kContainerIdsToMove,
173 kContainerIdsToMove + arraysize(kContainerIdsToMove));
174 // Check the default_multi_display_mode because this is also necessary
175 // in trasition between mirror <-> unified mode.
176 if (Shell::GetInstance()
177 ->display_manager()
178 ->current_default_multi_display_mode() == DisplayManager::UNIFIED) {
179 for (int id : kExtraContainerIdsToMoveInUnifiedMode)
180 container_ids.push_back(id);
183 for (int id : container_ids) {
184 aura::Window* src_container = Shell::GetContainer(src, id);
185 aura::Window* dst_container = Shell::GetContainer(dst, id);
186 while (!src_container->children().empty()) {
187 // Restart iteration from the source container windows each time as they
188 // may change as a result of moving other windows.
189 aura::Window::Windows::const_iterator iter =
190 src_container->children().begin();
191 while (iter != src_container->children().end() &&
192 SystemModalContainerLayoutManager::IsModalBackground(*iter)) {
193 ++iter;
195 // If the entire window list is modal background windows then stop.
196 if (iter == src_container->children().end())
197 break;
198 ReparentWindow(*iter, dst_container);
203 // Mark the container window so that a widget added to this container will
204 // use the virtual screeen coordinates instead of parent.
205 void SetUsesScreenCoordinates(aura::Window* container) {
206 container->SetProperty(kUsesScreenCoordinatesKey, true);
209 // Mark the container window so that a widget added to this container will
210 // say in the same root window regardless of the bounds specified.
211 void DescendantShouldStayInSameRootWindow(aura::Window* container) {
212 container->SetProperty(kStayInSameRootWindowKey, true);
215 void SetUsesEasyResizeTargeter(aura::Window* container) {
216 gfx::Insets mouse_extend(-kResizeOutsideBoundsSize,
217 -kResizeOutsideBoundsSize,
218 -kResizeOutsideBoundsSize,
219 -kResizeOutsideBoundsSize);
220 gfx::Insets touch_extend = mouse_extend.Scale(
221 kResizeOutsideBoundsScaleForTouch);
222 container->SetEventTargeter(scoped_ptr<ui::EventTargeter>(
223 new ::wm::EasyResizeWindowTargeter(container, mouse_extend,
224 touch_extend)));
227 // A window delegate which does nothing. Used to create a window that
228 // is a event target, but do nothing.
229 class EmptyWindowDelegate : public aura::WindowDelegate {
230 public:
231 EmptyWindowDelegate() {}
232 ~EmptyWindowDelegate() override {}
234 // aura::WindowDelegate overrides:
235 gfx::Size GetMinimumSize() const override { return gfx::Size(); }
236 gfx::Size GetMaximumSize() const override { return gfx::Size(); }
237 void OnBoundsChanged(const gfx::Rect& old_bounds,
238 const gfx::Rect& new_bounds) override {}
239 gfx::NativeCursor GetCursor(const gfx::Point& point) override {
240 return gfx::kNullCursor;
242 int GetNonClientComponent(const gfx::Point& point) const override {
243 return HTNOWHERE;
245 bool ShouldDescendIntoChildForEventHandling(
246 aura::Window* child,
247 const gfx::Point& location) override {
248 return false;
250 bool CanFocus() override { return false; }
251 void OnCaptureLost() override {}
252 void OnPaint(const ui::PaintContext& context) override {}
253 void OnDeviceScaleFactorChanged(float device_scale_factor) override {}
254 void OnWindowDestroying(aura::Window* window) override {}
255 void OnWindowDestroyed(aura::Window* window) override { delete this; }
256 void OnWindowTargetVisibilityChanged(bool visible) override {}
257 bool HasHitTestMask() const override { return false; }
258 void GetHitTestMask(gfx::Path* mask) const override {}
260 private:
261 DISALLOW_COPY_AND_ASSIGN(EmptyWindowDelegate);
264 } // namespace
266 void RootWindowController::CreateForPrimaryDisplay(AshWindowTreeHost* host) {
267 RootWindowController* controller = new RootWindowController(host);
268 controller->Init(RootWindowController::PRIMARY,
269 Shell::GetInstance()->delegate()->IsFirstRunAfterBoot());
272 void RootWindowController::CreateForSecondaryDisplay(AshWindowTreeHost* host) {
273 RootWindowController* controller = new RootWindowController(host);
274 controller->Init(RootWindowController::SECONDARY, false /* first run */);
277 // static
278 RootWindowController* RootWindowController::ForShelf(
279 const aura::Window* window) {
280 CHECK(Shell::HasInstance());
281 return GetRootWindowController(window->GetRootWindow());
284 // static
285 RootWindowController* RootWindowController::ForWindow(
286 const aura::Window* window) {
287 CHECK(Shell::HasInstance());
288 return GetRootWindowController(window->GetRootWindow());
291 // static
292 RootWindowController* RootWindowController::ForTargetRootWindow() {
293 CHECK(Shell::HasInstance());
294 return GetRootWindowController(Shell::GetTargetRootWindow());
297 // static
298 aura::Window* RootWindowController::GetContainerForWindow(
299 aura::Window* window) {
300 aura::Window* container = window->parent();
301 while (container && container->type() != ui::wm::WINDOW_TYPE_UNKNOWN)
302 container = container->parent();
303 return container;
306 RootWindowController::~RootWindowController() {
307 Shutdown();
308 ash_host_.reset();
309 // The CaptureClient needs to be around for as long as the RootWindow is
310 // valid.
311 capture_client_.reset();
314 aura::WindowTreeHost* RootWindowController::GetHost() {
315 return ash_host_->AsWindowTreeHost();
318 const aura::WindowTreeHost* RootWindowController::GetHost() const {
319 return ash_host_->AsWindowTreeHost();
322 aura::Window* RootWindowController::GetRootWindow() {
323 return GetHost()->window();
326 const aura::Window* RootWindowController::GetRootWindow() const {
327 return GetHost()->window();
330 void RootWindowController::SetWallpaperController(
331 DesktopBackgroundWidgetController* controller) {
332 wallpaper_controller_.reset(controller);
335 void RootWindowController::SetAnimatingWallpaperController(
336 AnimatingDesktopController* controller) {
337 if (animating_wallpaper_controller_.get())
338 animating_wallpaper_controller_->StopAnimating();
339 animating_wallpaper_controller_.reset(controller);
342 void RootWindowController::Shutdown() {
343 Shell* shell = Shell::GetInstance();
344 shell->RemoveShellObserver(this);
346 #if defined(OS_CHROMEOS)
347 if (touch_exploration_manager_) {
348 touch_exploration_manager_.reset();
350 #endif
352 if (animating_wallpaper_controller_.get())
353 animating_wallpaper_controller_->StopAnimating();
354 wallpaper_controller_.reset();
355 animating_wallpaper_controller_.reset();
356 aura::Window* root_window = GetRootWindow();
357 // Change the target root window before closing child windows. If any child
358 // being removed triggers a relayout of the shelf it will try to build a
359 // window list adding windows from the target root window's containers which
360 // may have already gone away.
361 if (Shell::GetTargetRootWindow() == root_window) {
362 shell->set_target_root_window(
363 Shell::GetPrimaryRootWindow() == root_window
364 ? NULL
365 : Shell::GetPrimaryRootWindow());
368 CloseChildWindows();
369 GetRootWindowSettings(root_window)->controller = NULL;
370 screen_dimmer_.reset();
371 workspace_controller_.reset();
372 // Forget with the display ID so that display lookup
373 // ends up with invalid display.
374 GetRootWindowSettings(root_window)->display_id =
375 gfx::Display::kInvalidDisplayID;
376 ash_host_->PrepareForShutdown();
378 system_background_.reset();
379 aura::client::SetScreenPositionClient(root_window, NULL);
382 SystemModalContainerLayoutManager*
383 RootWindowController::GetSystemModalLayoutManager(aura::Window* window) {
384 aura::Window* modal_container = NULL;
385 if (window) {
386 aura::Window* window_container = GetContainerForWindow(window);
387 if (window_container &&
388 window_container->id() >= kShellWindowId_LockScreenContainer) {
389 modal_container = GetContainer(kShellWindowId_LockSystemModalContainer);
390 } else {
391 modal_container = GetContainer(kShellWindowId_SystemModalContainer);
393 } else {
394 int modal_window_id = Shell::GetInstance()->session_state_delegate()
395 ->IsUserSessionBlocked() ? kShellWindowId_LockSystemModalContainer :
396 kShellWindowId_SystemModalContainer;
397 modal_container = GetContainer(modal_window_id);
399 return modal_container ? static_cast<SystemModalContainerLayoutManager*>(
400 modal_container->layout_manager()) : NULL;
403 aura::Window* RootWindowController::GetContainer(int container_id) {
404 return GetRootWindow()->GetChildById(container_id);
407 const aura::Window* RootWindowController::GetContainer(int container_id) const {
408 return ash_host_->AsWindowTreeHost()->window()->GetChildById(container_id);
411 void RootWindowController::ShowShelf() {
412 if (!shelf_->shelf())
413 return;
414 shelf_->shelf()->SetVisible(true);
415 shelf_->status_area_widget()->Show();
418 void RootWindowController::OnShelfCreated() {
419 if (panel_layout_manager_)
420 panel_layout_manager_->SetShelf(shelf_->shelf());
421 if (docked_layout_manager_) {
422 docked_layout_manager_->SetShelf(shelf_->shelf());
423 if (shelf_->shelf_layout_manager())
424 docked_layout_manager_->AddObserver(shelf_->shelf_layout_manager());
427 // Notify shell observers that the shelf has been created.
428 Shell::GetInstance()->OnShelfCreatedForRootWindow(GetRootWindow());
431 void RootWindowController::UpdateAfterLoginStatusChange(
432 user::LoginStatus status) {
433 if (status != user::LOGGED_IN_NONE)
434 mouse_event_target_.reset();
435 if (shelf_->status_area_widget())
436 shelf_->status_area_widget()->UpdateAfterLoginStatusChange(status);
439 void RootWindowController::HandleInitialDesktopBackgroundAnimationStarted() {
440 #if defined(OS_CHROMEOS)
441 if (base::CommandLine::ForCurrentProcess()->HasSwitch(
442 switches::kAshAnimateFromBootSplashScreen) &&
443 boot_splash_screen_.get()) {
444 // Make the splash screen fade out so it doesn't obscure the desktop
445 // wallpaper's brightness/grayscale animation.
446 boot_splash_screen_->StartHideAnimation(
447 base::TimeDelta::FromMilliseconds(kBootSplashScreenHideDurationMs));
449 #endif
452 void RootWindowController::OnWallpaperAnimationFinished(views::Widget* widget) {
453 // Make sure the wallpaper is visible.
454 system_background_->SetColor(SK_ColorBLACK);
455 #if defined(OS_CHROMEOS)
456 boot_splash_screen_.reset();
457 #endif
459 Shell::GetInstance()->user_wallpaper_delegate()->
460 OnWallpaperAnimationFinished();
461 // Only removes old component when wallpaper animation finished. If we
462 // remove the old one before the new wallpaper is done fading in there will
463 // be a white flash during the animation.
464 if (animating_wallpaper_controller()) {
465 DesktopBackgroundWidgetController* controller =
466 animating_wallpaper_controller()->GetController(true);
467 // |desktop_widget_| should be the same animating widget we try to move
468 // to |kDesktopController|. Otherwise, we may close |desktop_widget_|
469 // before move it to |kDesktopController|.
470 DCHECK_EQ(controller->widget(), widget);
471 // Release the old controller and close its background widget.
472 SetWallpaperController(controller);
476 void RootWindowController::CloseChildWindows() {
477 mouse_event_target_.reset();
479 // Remove observer as deactivating keyboard causes |docked_layout_manager_|
480 // to fire notifications.
481 if (docked_layout_manager_ && shelf_ && shelf_->shelf_layout_manager())
482 docked_layout_manager_->RemoveObserver(shelf_->shelf_layout_manager());
484 // Deactivate keyboard container before closing child windows and shutting
485 // down associated layout managers.
486 DeactivateKeyboard(keyboard::KeyboardController::GetInstance());
488 // panel_layout_manager_ needs to be shut down before windows are destroyed.
489 if (panel_layout_manager_) {
490 panel_layout_manager_->Shutdown();
491 panel_layout_manager_ = NULL;
493 // docked_layout_manager_ needs to be shut down before windows are destroyed.
494 if (docked_layout_manager_) {
495 docked_layout_manager_->Shutdown();
496 docked_layout_manager_ = NULL;
498 aura::Window* root_window = GetRootWindow();
499 aura::client::SetDragDropClient(root_window, NULL);
501 // TODO(harrym): Remove when Status Area Widget is a child view.
502 if (shelf_) {
503 shelf_->ShutdownStatusAreaWidget();
505 if (shelf_->shelf_layout_manager())
506 shelf_->shelf_layout_manager()->PrepareForShutdown();
509 // Close background widget first as it depends on tooltip.
510 wallpaper_controller_.reset();
511 animating_wallpaper_controller_.reset();
513 workspace_controller_.reset();
514 aura::client::SetTooltipClient(root_window, NULL);
516 // Explicitly destroy top level windows. We do this as during part of
517 // destruction such windows may query the RootWindow for state.
518 std::queue<aura::Window*> non_toplevel_windows;
519 non_toplevel_windows.push(root_window);
520 while (!non_toplevel_windows.empty()) {
521 aura::Window* non_toplevel_window = non_toplevel_windows.front();
522 non_toplevel_windows.pop();
523 aura::WindowTracker toplevel_windows;
524 for (size_t i = 0; i < non_toplevel_window->children().size(); ++i) {
525 aura::Window* child = non_toplevel_window->children()[i];
526 if (!child->owned_by_parent())
527 continue;
528 if (child->delegate())
529 toplevel_windows.Add(child);
530 else
531 non_toplevel_windows.push(child);
533 while (!toplevel_windows.windows().empty())
534 delete *toplevel_windows.windows().begin();
536 // And then remove the containers.
537 while (!root_window->children().empty()) {
538 aura::Window* window = root_window->children()[0];
539 if (window->owned_by_parent()) {
540 delete window;
541 } else {
542 root_window->RemoveChild(window);
546 shelf_.reset();
549 void RootWindowController::MoveWindowsTo(aura::Window* dst) {
550 // Forget the shelf early so that shelf don't update itself using wrong
551 // display info.
552 workspace_controller_->SetShelf(NULL);
553 ReparentAllWindows(GetRootWindow(), dst);
556 ShelfLayoutManager* RootWindowController::GetShelfLayoutManager() {
557 return shelf_->shelf_layout_manager();
560 SystemTray* RootWindowController::GetSystemTray() {
561 // We assume in throughout the code that this will not return NULL. If code
562 // triggers this for valid reasons, it should test status_area_widget first.
563 CHECK(shelf_->status_area_widget());
564 return shelf_->status_area_widget()->system_tray();
567 void RootWindowController::ShowContextMenu(const gfx::Point& location_in_screen,
568 ui::MenuSourceType source_type) {
569 DCHECK(Shell::GetInstance()->delegate());
570 scoped_ptr<ui::MenuModel> menu_model(
571 Shell::GetInstance()->delegate()->CreateContextMenu(
572 GetRootWindow(), NULL, NULL));
573 if (!menu_model)
574 return;
576 // Background controller may not be set yet if user clicked on status are
577 // before initial animation completion. See crbug.com/222218
578 if (!wallpaper_controller_.get())
579 return;
581 views::MenuRunner menu_runner(menu_model.get(),
582 views::MenuRunner::CONTEXT_MENU);
583 if (menu_runner.RunMenuAt(wallpaper_controller_->widget(),
584 NULL,
585 gfx::Rect(location_in_screen, gfx::Size()),
586 views::MENU_ANCHOR_TOPLEFT,
587 source_type) == views::MenuRunner::MENU_DELETED) {
588 return;
591 Shell::GetInstance()->UpdateShelfVisibility();
594 void RootWindowController::UpdateShelfVisibility() {
595 shelf_->shelf_layout_manager()->UpdateVisibilityState();
598 aura::Window* RootWindowController::GetWindowForFullscreenMode() {
599 aura::Window* topmost_window = NULL;
600 aura::Window* active_window = wm::GetActiveWindow();
601 if (active_window && active_window->GetRootWindow() == GetRootWindow() &&
602 IsSwitchableContainer(active_window->parent())) {
603 // Use the active window when it is on the current root window to determine
604 // the fullscreen state to allow temporarily using a panel or docked window
605 // (which are always above the default container) while a fullscreen
606 // window is open. We only use the active window when in a switchable
607 // container as the launcher should not exit fullscreen mode.
608 topmost_window = active_window;
609 } else {
610 // Otherwise, use the topmost window on the root window's default container
611 // when there is no active window on this root window.
612 const aura::Window::Windows& windows =
613 GetContainer(kShellWindowId_DefaultContainer)->children();
614 for (aura::Window::Windows::const_reverse_iterator iter = windows.rbegin();
615 iter != windows.rend(); ++iter) {
616 if (wm::IsWindowUserPositionable(*iter) &&
617 (*iter)->layer()->GetTargetVisibility()) {
618 topmost_window = *iter;
619 break;
623 while (topmost_window) {
624 if (wm::GetWindowState(topmost_window)->IsFullscreen())
625 return topmost_window;
626 topmost_window = ::wm::GetTransientParent(topmost_window);
628 return NULL;
631 void RootWindowController::ActivateKeyboard(
632 keyboard::KeyboardController* keyboard_controller) {
633 if (!keyboard::IsKeyboardEnabled() ||
634 GetContainer(kShellWindowId_VirtualKeyboardContainer)) {
635 return;
637 DCHECK(keyboard_controller);
638 keyboard_controller->AddObserver(shelf()->shelf_layout_manager());
639 keyboard_controller->AddObserver(panel_layout_manager_);
640 keyboard_controller->AddObserver(docked_layout_manager_);
641 keyboard_controller->AddObserver(workspace_controller_->layout_manager());
642 keyboard_controller->AddObserver(
643 always_on_top_controller_->GetLayoutManager());
644 Shell::GetInstance()->delegate()->VirtualKeyboardActivated(true);
645 aura::Window* parent = GetContainer(kShellWindowId_ImeWindowParentContainer);
646 DCHECK(parent);
647 aura::Window* keyboard_container =
648 keyboard_controller->GetContainerWindow();
649 keyboard_container->set_id(kShellWindowId_VirtualKeyboardContainer);
650 parent->AddChild(keyboard_container);
653 void RootWindowController::DeactivateKeyboard(
654 keyboard::KeyboardController* keyboard_controller) {
655 if (!keyboard_controller ||
656 !keyboard_controller->keyboard_container_initialized()) {
657 return;
659 aura::Window* keyboard_container =
660 keyboard_controller->GetContainerWindow();
661 if (keyboard_container->GetRootWindow() == GetRootWindow()) {
662 aura::Window* parent =
663 GetContainer(kShellWindowId_ImeWindowParentContainer);
664 DCHECK(parent);
665 parent->RemoveChild(keyboard_container);
666 // Virtual keyboard may be deactivated while still showing, notify all
667 // observers that keyboard bounds changed to 0 before remove them.
668 keyboard_controller->NotifyKeyboardBoundsChanging(gfx::Rect());
669 keyboard_controller->RemoveObserver(shelf()->shelf_layout_manager());
670 keyboard_controller->RemoveObserver(panel_layout_manager_);
671 keyboard_controller->RemoveObserver(docked_layout_manager_);
672 keyboard_controller->RemoveObserver(
673 workspace_controller_->layout_manager());
674 keyboard_controller->RemoveObserver(
675 always_on_top_controller_->GetLayoutManager());
676 Shell::GetInstance()->delegate()->VirtualKeyboardActivated(false);
680 bool RootWindowController::IsVirtualKeyboardWindow(aura::Window* window) {
681 aura::Window* parent = GetContainer(kShellWindowId_ImeWindowParentContainer);
682 return parent ? parent->Contains(window) : false;
685 ////////////////////////////////////////////////////////////////////////////////
686 // RootWindowController, private:
688 RootWindowController::RootWindowController(AshWindowTreeHost* ash_host)
689 : ash_host_(ash_host),
690 root_window_layout_(NULL),
691 docked_layout_manager_(NULL),
692 panel_layout_manager_(NULL),
693 touch_hud_debug_(NULL),
694 touch_hud_projection_(NULL) {
695 aura::Window* root_window = GetRootWindow();
696 GetRootWindowSettings(root_window)->controller = this;
697 screen_dimmer_.reset(new ScreenDimmer(root_window));
699 stacking_controller_.reset(new StackingController);
700 aura::client::SetWindowTreeClient(root_window, stacking_controller_.get());
701 capture_client_.reset(new ::wm::ScopedCaptureClient(root_window));
704 void RootWindowController::Init(RootWindowType root_window_type,
705 bool first_run_after_boot) {
706 aura::Window* root_window = GetRootWindow();
707 Shell* shell = Shell::GetInstance();
708 shell->InitRootWindow(root_window);
710 ash_host_->AsWindowTreeHost()->SetCursor(ui::kCursorPointer);
711 CreateContainersInRootWindow(root_window);
713 CreateSystemBackground(first_run_after_boot);
715 InitLayoutManagers();
716 InitTouchHuds();
718 if (Shell::GetPrimaryRootWindowController()->
719 GetSystemModalLayoutManager(NULL)->has_modal_background()) {
720 GetSystemModalLayoutManager(NULL)->CreateModalBackground();
723 shell->AddShellObserver(this);
725 if (root_window_type == PRIMARY) {
726 root_window_layout()->OnWindowResized();
727 shell->InitKeyboard();
728 } else {
729 root_window_layout()->OnWindowResized();
730 ash_host_->AsWindowTreeHost()->Show();
732 // Create a shelf if a user is already logged in.
733 if (shell->session_state_delegate()->NumberOfLoggedInUsers())
734 shelf()->CreateShelf();
736 // Notify shell observers about new root window.
737 shell->OnRootWindowAdded(root_window);
740 #if defined(OS_CHROMEOS)
741 if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
742 switches::kAshDisableTouchExplorationMode)) {
743 touch_exploration_manager_.reset(new AshTouchExplorationManager(this));
745 #endif
748 void RootWindowController::InitLayoutManagers() {
749 aura::Window* root_window = GetRootWindow();
750 root_window_layout_ = new RootWindowLayoutManager(root_window);
751 root_window->SetLayoutManager(root_window_layout_);
753 aura::Window* default_container =
754 GetContainer(kShellWindowId_DefaultContainer);
755 // Workspace manager has its own layout managers.
756 workspace_controller_.reset(
757 new WorkspaceController(default_container));
759 aura::Window* always_on_top_container =
760 GetContainer(kShellWindowId_AlwaysOnTopContainer);
761 always_on_top_controller_.reset(
762 new AlwaysOnTopController(always_on_top_container));
764 DCHECK(!shelf_.get());
765 aura::Window* shelf_container = GetContainer(kShellWindowId_ShelfContainer);
766 // TODO(harrym): Remove when status area is view.
767 aura::Window* status_container = GetContainer(kShellWindowId_StatusContainer);
768 shelf_.reset(new ShelfWidget(
769 shelf_container, status_container, workspace_controller()));
771 if (!Shell::GetInstance()->session_state_delegate()->
772 IsActiveUserSessionStarted()) {
773 // This window exists only to be a event target on login screen.
774 // It does not have to handle events, nor be visible.
775 mouse_event_target_.reset(new aura::Window(new EmptyWindowDelegate));
776 mouse_event_target_->Init(ui::LAYER_NOT_DRAWN);
778 aura::Window* lock_background_container =
779 GetContainer(kShellWindowId_LockScreenBackgroundContainer);
780 lock_background_container->AddChild(mouse_event_target_.get());
781 mouse_event_target_->Show();
784 // Create Docked windows layout manager
785 aura::Window* docked_container = GetContainer(kShellWindowId_DockedContainer);
786 docked_layout_manager_ =
787 new DockedWindowLayoutManager(docked_container, workspace_controller());
788 docked_container->SetLayoutManager(docked_layout_manager_);
790 // Installs SnapLayoutManager to containers who set the
791 // |kSnapsChildrenToPhysicalPixelBoundary| property.
792 wm::InstallSnapLayoutManagerToContainers(root_window);
794 // Create Panel layout manager
795 aura::Window* panel_container = GetContainer(kShellWindowId_PanelContainer);
796 panel_layout_manager_ = new PanelLayoutManager(panel_container);
797 panel_container->SetLayoutManager(panel_layout_manager_);
798 panel_container_handler_.reset(new PanelWindowEventHandler);
799 panel_container->AddPreTargetHandler(panel_container_handler_.get());
801 // Install an AttachedPanelWindowTargeter on the panel container to make it
802 // easier to correctly target shelf buttons with touch.
803 gfx::Insets mouse_extend(-kResizeOutsideBoundsSize,
804 -kResizeOutsideBoundsSize,
805 -kResizeOutsideBoundsSize,
806 -kResizeOutsideBoundsSize);
807 gfx::Insets touch_extend = mouse_extend.Scale(
808 kResizeOutsideBoundsScaleForTouch);
809 panel_container->SetEventTargeter(scoped_ptr<ui::EventTargeter>(
810 new AttachedPanelWindowTargeter(panel_container,
811 mouse_extend,
812 touch_extend,
813 panel_layout_manager_)));
816 void RootWindowController::InitTouchHuds() {
817 base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
818 if (command_line->HasSwitch(switches::kAshTouchHud))
819 set_touch_hud_debug(new TouchHudDebug(GetRootWindow()));
820 if (Shell::GetInstance()->is_touch_hud_projection_enabled())
821 EnableTouchHudProjection();
824 void RootWindowController::CreateSystemBackground(
825 bool is_first_run_after_boot) {
826 SkColor color = SK_ColorBLACK;
827 #if defined(OS_CHROMEOS)
828 if (is_first_run_after_boot)
829 color = kChromeOsBootColor;
830 #endif
831 system_background_.reset(
832 new SystemBackgroundController(GetRootWindow(), color));
834 #if defined(OS_CHROMEOS)
835 // Make a copy of the system's boot splash screen so we can composite it
836 // onscreen until the desktop background is ready.
837 if (is_first_run_after_boot &&
838 (base::CommandLine::ForCurrentProcess()->HasSwitch(
839 switches::kAshCopyHostBackgroundAtBoot) ||
840 base::CommandLine::ForCurrentProcess()->HasSwitch(
841 switches::kAshAnimateFromBootSplashScreen)))
842 boot_splash_screen_.reset(new BootSplashScreen(GetHost()));
843 #endif
846 void RootWindowController::CreateContainersInRootWindow(
847 aura::Window* root_window) {
848 // These containers are just used by PowerButtonController to animate groups
849 // of containers simultaneously without messing up the current transformations
850 // on those containers. These are direct children of the root window; all of
851 // the other containers are their children.
853 // The desktop background container is not part of the lock animation, so it
854 // is not included in those animate groups.
855 // When screen is locked desktop background is moved to lock screen background
856 // container (moved back on unlock). We want to make sure that there's an
857 // opaque layer occluding the non-lock-screen layers.
858 aura::Window* desktop_background_container = CreateContainer(
859 kShellWindowId_DesktopBackgroundContainer,
860 "DesktopBackgroundContainer",
861 root_window);
862 ::wm::SetChildWindowVisibilityChangesAnimated(desktop_background_container);
864 aura::Window* non_lock_screen_containers = CreateContainer(
865 kShellWindowId_NonLockScreenContainersContainer,
866 "NonLockScreenContainersContainer",
867 root_window);
868 // Clip all windows inside this container, as half pixel of the window's
869 // texture may become visible when the screen is scaled. crbug.com/368591.
870 non_lock_screen_containers->layer()->SetMasksToBounds(true);
872 aura::Window* lock_background_containers = CreateContainer(
873 kShellWindowId_LockScreenBackgroundContainer,
874 "LockScreenBackgroundContainer",
875 root_window);
876 ::wm::SetChildWindowVisibilityChangesAnimated(lock_background_containers);
878 aura::Window* lock_screen_containers = CreateContainer(
879 kShellWindowId_LockScreenContainersContainer,
880 "LockScreenContainersContainer",
881 root_window);
882 aura::Window* lock_screen_related_containers = CreateContainer(
883 kShellWindowId_LockScreenRelatedContainersContainer,
884 "LockScreenRelatedContainersContainer",
885 root_window);
887 CreateContainer(kShellWindowId_UnparentedControlContainer,
888 "UnparentedControlContainer",
889 non_lock_screen_containers);
891 aura::Window* default_container = CreateContainer(
892 kShellWindowId_DefaultContainer,
893 "DefaultContainer",
894 non_lock_screen_containers);
895 ::wm::SetChildWindowVisibilityChangesAnimated(default_container);
896 wm::SetSnapsChildrenToPhysicalPixelBoundary(default_container);
897 SetUsesScreenCoordinates(default_container);
898 SetUsesEasyResizeTargeter(default_container);
900 aura::Window* always_on_top_container = CreateContainer(
901 kShellWindowId_AlwaysOnTopContainer,
902 "AlwaysOnTopContainer",
903 non_lock_screen_containers);
904 ::wm::SetChildWindowVisibilityChangesAnimated(always_on_top_container);
905 wm::SetSnapsChildrenToPhysicalPixelBoundary(always_on_top_container);
906 SetUsesScreenCoordinates(always_on_top_container);
908 aura::Window* docked_container = CreateContainer(
909 kShellWindowId_DockedContainer,
910 "DockedContainer",
911 non_lock_screen_containers);
912 ::wm::SetChildWindowVisibilityChangesAnimated(docked_container);
913 wm::SetSnapsChildrenToPhysicalPixelBoundary(docked_container);
914 SetUsesScreenCoordinates(docked_container);
915 SetUsesEasyResizeTargeter(docked_container);
917 aura::Window* shelf_container =
918 CreateContainer(kShellWindowId_ShelfContainer,
919 "ShelfContainer",
920 non_lock_screen_containers);
921 wm::SetSnapsChildrenToPhysicalPixelBoundary(shelf_container);
922 SetUsesScreenCoordinates(shelf_container);
923 DescendantShouldStayInSameRootWindow(shelf_container);
925 aura::Window* panel_container = CreateContainer(
926 kShellWindowId_PanelContainer,
927 "PanelContainer",
928 non_lock_screen_containers);
929 wm::SetSnapsChildrenToPhysicalPixelBoundary(panel_container);
930 SetUsesScreenCoordinates(panel_container);
932 aura::Window* shelf_bubble_container =
933 CreateContainer(kShellWindowId_ShelfBubbleContainer,
934 "ShelfBubbleContainer",
935 non_lock_screen_containers);
936 wm::SetSnapsChildrenToPhysicalPixelBoundary(shelf_bubble_container);
937 SetUsesScreenCoordinates(shelf_bubble_container);
938 DescendantShouldStayInSameRootWindow(shelf_bubble_container);
940 aura::Window* app_list_container =
941 CreateContainer(kShellWindowId_AppListContainer,
942 "AppListContainer",
943 non_lock_screen_containers);
944 wm::SetSnapsChildrenToPhysicalPixelBoundary(app_list_container);
945 SetUsesScreenCoordinates(app_list_container);
947 aura::Window* modal_container = CreateContainer(
948 kShellWindowId_SystemModalContainer,
949 "SystemModalContainer",
950 non_lock_screen_containers);
951 wm::SetSnapsChildrenToPhysicalPixelBoundary(modal_container);
952 modal_container->SetLayoutManager(
953 new SystemModalContainerLayoutManager(modal_container));
954 ::wm::SetChildWindowVisibilityChangesAnimated(modal_container);
955 SetUsesScreenCoordinates(modal_container);
956 SetUsesEasyResizeTargeter(modal_container);
958 // TODO(beng): Figure out if we can make this use
959 // SystemModalContainerEventFilter instead of stops_event_propagation.
960 aura::Window* lock_container = CreateContainer(
961 kShellWindowId_LockScreenContainer,
962 "LockScreenContainer",
963 lock_screen_containers);
964 wm::SetSnapsChildrenToPhysicalPixelBoundary(lock_container);
965 lock_container->SetLayoutManager(new LockLayoutManager(lock_container));
966 SetUsesScreenCoordinates(lock_container);
967 // TODO(beng): stopsevents
969 aura::Window* lock_modal_container = CreateContainer(
970 kShellWindowId_LockSystemModalContainer,
971 "LockSystemModalContainer",
972 lock_screen_containers);
973 wm::SetSnapsChildrenToPhysicalPixelBoundary(lock_modal_container);
974 lock_modal_container->SetLayoutManager(
975 new SystemModalContainerLayoutManager(lock_modal_container));
976 ::wm::SetChildWindowVisibilityChangesAnimated(lock_modal_container);
977 SetUsesScreenCoordinates(lock_modal_container);
978 SetUsesEasyResizeTargeter(lock_modal_container);
980 aura::Window* status_container =
981 CreateContainer(kShellWindowId_StatusContainer,
982 "StatusContainer",
983 lock_screen_related_containers);
984 wm::SetSnapsChildrenToPhysicalPixelBoundary(status_container);
985 SetUsesScreenCoordinates(status_container);
986 DescendantShouldStayInSameRootWindow(status_container);
988 aura::Window* settings_bubble_container = CreateContainer(
989 kShellWindowId_SettingBubbleContainer,
990 "SettingBubbleContainer",
991 lock_screen_related_containers);
992 ::wm::SetChildWindowVisibilityChangesAnimated(settings_bubble_container);
993 wm::SetSnapsChildrenToPhysicalPixelBoundary(settings_bubble_container);
994 SetUsesScreenCoordinates(settings_bubble_container);
995 DescendantShouldStayInSameRootWindow(settings_bubble_container);
997 aura::Window* virtual_keyboard_parent_container =
998 CreateContainer(kShellWindowId_ImeWindowParentContainer,
999 "VirtualKeyboardParentContainer",
1000 lock_screen_related_containers);
1001 wm::SetSnapsChildrenToPhysicalPixelBoundary(
1002 virtual_keyboard_parent_container);
1003 SetUsesScreenCoordinates(virtual_keyboard_parent_container);
1005 aura::Window* menu_container = CreateContainer(
1006 kShellWindowId_MenuContainer,
1007 "MenuContainer",
1008 lock_screen_related_containers);
1009 ::wm::SetChildWindowVisibilityChangesAnimated(menu_container);
1010 wm::SetSnapsChildrenToPhysicalPixelBoundary(menu_container);
1011 SetUsesScreenCoordinates(menu_container);
1013 aura::Window* drag_drop_container = CreateContainer(
1014 kShellWindowId_DragImageAndTooltipContainer,
1015 "DragImageAndTooltipContainer",
1016 lock_screen_related_containers);
1017 ::wm::SetChildWindowVisibilityChangesAnimated(drag_drop_container);
1018 wm::SetSnapsChildrenToPhysicalPixelBoundary(drag_drop_container);
1019 SetUsesScreenCoordinates(drag_drop_container);
1021 aura::Window* overlay_container = CreateContainer(
1022 kShellWindowId_OverlayContainer,
1023 "OverlayContainer",
1024 lock_screen_related_containers);
1025 wm::SetSnapsChildrenToPhysicalPixelBoundary(overlay_container);
1026 SetUsesScreenCoordinates(overlay_container);
1028 #if defined(OS_CHROMEOS)
1029 aura::Window* mouse_cursor_container = CreateContainer(
1030 kShellWindowId_MouseCursorContainer,
1031 "MouseCursorContainer",
1032 root_window);
1033 SetUsesScreenCoordinates(mouse_cursor_container);
1034 #endif
1036 CreateContainer(kShellWindowId_PowerButtonAnimationContainer,
1037 "PowerButtonAnimationContainer", root_window);
1040 void RootWindowController::EnableTouchHudProjection() {
1041 if (touch_hud_projection_)
1042 return;
1043 set_touch_hud_projection(new TouchHudProjection(GetRootWindow()));
1046 void RootWindowController::DisableTouchHudProjection() {
1047 if (!touch_hud_projection_)
1048 return;
1049 touch_hud_projection_->Remove();
1052 void RootWindowController::OnLoginStateChanged(user::LoginStatus status) {
1053 shelf_->shelf_layout_manager()->UpdateVisibilityState();
1056 void RootWindowController::OnTouchHudProjectionToggled(bool enabled) {
1057 if (enabled)
1058 EnableTouchHudProjection();
1059 else
1060 DisableTouchHudProjection();
1063 RootWindowController* GetRootWindowController(
1064 const aura::Window* root_window) {
1065 return root_window ? GetRootWindowSettings(root_window)->controller : NULL;
1068 } // namespace ash